#include<iostream>
#include<cstring>
#include<cstdio>
#include<cstdlib>

using namespace std;
char s1[505],s2[505];
int a[505],b[505],c[505];
int main()
{
    int la,lb,lc;
    cin>>s1;
    cin>>s2;
    
    la=strlen(s1);
    lb=strlen(s2);

    for(int i=0;i<la;i++)
        a[la-i]=s1[i]-'0';
    for(int i=0;i<lb;i++)
        b[lb-i]=s2[i]-'0';

    lc=max(la,lb)+1;

    for(int i=1;i<=lc;i++)
    {
        c[i]+=a[i]+b[i];
        c[i+1]=c[i]/10;
        c[i]=c[i]%10;
    }
    if(c[lc]==0&&lc>0)
    lc--;
    for(int i=lc;i>0;i--)
        printf("%d",c[i]);
    return 0;
}